Messages in this thread Patch in this message | | | From | Weijie Yang <> | Subject | [PATCH] mm: mincore: add hwpoison page handle | Date | Wed, 12 Nov 2014 11:39:29 +0800 |
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When encounter pte is a swap entry, the current code handles two cases: migration and normal swapentry, but we have a third case: hwpoison page.
This patch adds hwpoison page handle, consider hwpoison page incore as same as migration.
Signed-off-by: Weijie Yang <weijie.yang@samsung.com> --- mm/mincore.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/mincore.c b/mm/mincore.c index 725c809..3545f13 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -137,8 +137,8 @@ static void mincore_pte_range(struct vm_area_struct *vma, pmd_t *pmd, } else { /* pte is a swap entry */ swp_entry_t entry = pte_to_swp_entry(pte); - if (is_migration_entry(entry)) { - /* migration entries are always uptodate */ + if (non_swap_entry(entry)) { + /* migration or hwpoison entries are always uptodate */ *vec = 1; } else { #ifdef CONFIG_SWAP -- 1.7.0.4
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